Publications by authors named "Chih-En Hsu"
Article Synopsis
- * Researchers used momentum-dependent electron energy-loss spectroscopy (q-EELS) to study these changes at different temperatures and found that the effective mass (m*) decreases, making electrons move about 20% faster as the CDW strength increases toward 100 K.
- * The study highlights CuTe as an important material for investigating CDW phenomena and related correlations, with q-EELS being an effective tool for such research.
Charge density waves (CDWs) involved with electronic and phononic subsystems simultaneously are a common quantum state in solid-state physics, especially in low-dimensional materials. However, CDW phase dynamics in various dimensions are yet to be studied, and their phase transition mechanism is currently moot. Here we show that using the distinct temperature evolution of orientation-dependent ultrafast electron and phonon dynamics, different dimensional CDW phases are verified in CuTe.
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